Question
Botany Question on Molecular approaches to microbial taxonomy and phylogeny
B X In the phylogeny depicted above,
A
'AB' and 'CD' are monophyletic at the level of Y.
B
'AB' and 'CD' are paraphyletic at the level of Y.
C
'ABCD' are paraphyletic at the level of X
D
'ABCD' are polyphyletic at the level of X.
Answer
'AB' and 'CD' are monophyletic at the level of Y.
Explanation
Solution
The correct option is(A): 'AB' and 'CD' are monophyletic at the level of Y.